Crown for wristwatch



FIG. 1 is a perspective view of a crown for wristwatch showing the new design;

FIG. 2 is a top view of the crown shown in FIG. 1; and,

FIG. 3 is a right side view of the crown shown in FIG. 1.

The broken line showing of a watch case, watch face, watch hands, watch band and screws is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a crown for wristwatch, as shown and described. 